// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
FilterPipeline::Pointer JsonFilterParametersReader::ReadPipelineFromFile(QString filePath, IObserver* obs)
{
QFileInfo fInfo(filePath);
if (filePath.isEmpty() == true)
{
return FilterPipeline::NullPointer();
}
QFileInfo fi(filePath);
if (fi.exists() == false)
{
return FilterPipeline::NullPointer();
}
FilterManager* filtManager = FilterManager::Instance();
FilterFactory<EmptyFilter>::Pointer emptyFilterFactory = FilterFactory<EmptyFilter>::New();
filtManager->addFilterFactory("EmptyFilter", emptyFilterFactory);
JsonFilterParametersReader::Pointer reader = JsonFilterParametersReader::New();
int err = reader->openFile(filePath);
if (err < 0)
{
if (NULL != obs)
{
PipelineMessage pm(JsonFilterParametersReader::ClassName(), "File '" + fInfo.fileName() + "' could not be opened for reading.", -1, PipelineMessage::Error);
obs->processPipelineMessage(pm);
}
return FilterPipeline::NullPointer();
}
reader->openGroup(DREAM3D::Settings::PipelineBuilderGroup);
int filterCount = reader->readValue(DREAM3D::Settings::NumFilters, 0);
reader->closeGroup();
FilterPipeline::Pointer pipeline = FilterPipeline::New();
for (int i = 0; i < filterCount; ++i)
{
// Open the group to get the name of the filter then close again.
reader->openFilterGroup(NULL, i);
QString filterName = reader->readString(DREAM3D::Settings::FilterName, "");
reader->closeFilterGroup();
//qDebug() << "Group: " << gName << " FilterName: " << filterName;
if (filterName.isEmpty() == false)
{
IFilterFactory::Pointer factory = filtManager->getFactoryForFilter(filterName);
if (factory.get() != NULL)
{
AbstractFilter::Pointer filter = factory->create();
if (NULL != filter.get())
{
filter->readFilterParameters(reader.get(), i);
pipeline->pushBack(filter);
}
}
else // Could not find the filter because the specific name has not been registered. This could
// be due to a name change for the filter.
{
EmptyFilter::Pointer filter = EmptyFilter::New();
QString humanLabel = QString("UNKNOWN FILTER: ") + filterName;
filter->setHumanLabel(humanLabel);
filter->setOriginalFilterName(filterName);
pipeline->pushBack(filter);
if (NULL != obs)
{
QString ss = QObject::tr("An implementation for filter '%1' could not be located. Possible reasons include a name change of the filter, plugin not loading or a simple spelling mistake? A blank filter has been inserted in its place.").arg(filterName);
PipelineMessage pm(filterName, ss, -66066, PipelineMessage::Error);
pm.setPrefix("JsonFilterParametersReader::ReadPipelineFromFile()");
obs->processPipelineMessage(pm);
}
}
}
else
{
EmptyFilter::Pointer filter = EmptyFilter::New();
QString humanLabel = QString("MISSING FILTER: ") + filterName;
filter->setHumanLabel(humanLabel);
filter->setOriginalFilterName(filterName);
pipeline->pushBack(filter);
if (NULL != obs)
{
QString gName = QString::number(i);
QString ss = QObject::tr("A filter for index '%1' is missing in the file. Is the numbering of the filters correct in the pipeline file?").arg(gName);
PipelineMessage pm(filterName, ss, -66067, PipelineMessage::Error);
pm.setPrefix("JsonFilterParametersReader::ReadPipelineFromFile()");
obs->processPipelineMessage(pm);
}
}
}
return pipeline;
}
